66722960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 166810752

約数和(自身を除く): 100087792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 71, 80, 85, 136, 142, 170, 272, 284, 340, 355, 568, 680, 691, 710, 1136, 1207, 1360, 1382, 1420, 2414, 2764, 2840, 3455, 4828, 5528, 5680, 6035, 6910, 9656, 11056, 11747, 12070, 13820, 19312, 23494, 24140, 27640, 46988, 48280, 49061, 55280, 58735, 93976, 96560, 98122, 117470, 187952, 196244, 234940, 245305, 392488, 469880, 490610, 784976, 834037, 939760, 981220, 1668074, 1962440, 3336148, 3924880, 4170185, 6672296, 8340370, 13344592, 16680740, 33361480, 66722960]

約数ペア:

[(1, 66722960), (2, 33361480), (4, 16680740), (5, 13344592), (8, 8340370), (10, 6672296), (16, 4170185), (17, 3924880), (20, 3336148), (34, 1962440), (40, 1668074), (68, 981220), (71, 939760), (80, 834037), (85, 784976), (136, 490610), (142, 469880), (170, 392488), (272, 245305), (284, 234940), (340, 196244), (355, 187952), (568, 117470), (680, 98122), (691, 96560), (710, 93976), (1136, 58735), (1207, 55280), (1360, 49061), (1382, 48280), (1420, 46988), (2414, 27640), (2764, 24140), (2840, 23494), (3455, 19312), (4828, 13820), (5528, 12070), (5680, 11747), (6035, 11056), (6910, 9656)]